HCA Healthcare, Inc., through its subsidiaries, owns and operates hospitals and related healthcare entities in the United States. It operates general and acute care hospitals that offers medical and surgical services, including inpatient care, intensive care, cardiac care, diagnostic, and emergency services; and outpatient services, such as outpatient surgery, laboratory, radiology, respiratory therapy, cardiology, and physical therapy. The company also operates outpatient health care facilities consisting of freestanding ambulatory surgery centers, freestanding emergency care facilities, urgent care facilities, walk-in clinics, diagnostic and imaging centers, rehabilitation and physical therapy centers, radiation and oncology therapy centers, physician practices, and various other facilities. In addition, it operates behavioral hospitals, which provide therapeutic programs comprising child, adolescent and adult psychiatric care, adolescent and adult alcohol, drug abuse treatment, and counseling services. The company was formerly known as HCA Holdings, Inc. HCA Healthcare, Inc. was founded in 1968 and is headquartered in Nashville, Tennessee.

Encompass Health Corporation provides post-acute healthcare services in the United States and Puerto Rico. It owns and operates inpatient rehabilitation hospitals that provide medical, nursing, therapy, and ancillary services. The company provides specialized rehabilitative treatment on an inpatient basis to patients who have experienced physical or cognitive disabilities or injuries due to medical conditions, such as strokes, hip fractures, and various debilitating neurological conditions. It offers services through the Medicare program to federal government, managed care plans and private insurers, state governments, and other patients. The company was formerly known as HealthSouth Corporation and changed its name to Encompass Health Corporation in January 2018. The company was incorporated in 1984 and is based in Birmingham, Alabama.

Universal Health Services, Inc., through its subsidiaries, owns and operates acute care hospitals, and outpatient and behavioral health care facilities. It operates through Acute Care Hospital Services and Behavioral Health Care Services segments. The company's hospitals offer general and specialty surgery, internal medicine, obstetrics, emergency room care, radiology, oncology, diagnostic and coronary care, pediatric services, pharmacy services, and/or behavioral health services. It also provides commercial health insurance services; and various management services, which include central purchasing, information, finance and control systems, facilities planning, physician recruitment, administrative personnel management, marketing, and public relations services. Universal Health Services, Inc. founded in 1978 and is headquartered in King of Prussia, Pennsylvania.

ACADIA Pharmaceuticals Inc., a biopharmaceutical company, focuses on the development and commercialization innovative medicines that address unmet medical needs in central nervous system (CNS) disorders and rare diseases in the United States. The company offers NUPLAZID (pimavanserin) for the treatment of hallucinations and delusions associated with Parkinson's disease psychosis; and DAYBUE, a novel synthetic analog of the amino-terminal tripeptide of insulin-like growth factor 1 for treatment of Rett Syndrome. It also develops Pimavanserin that is in Phase III ADVANCE-2 study to treat the negative symptoms of schizophrenia; ACP-101 whixh is in Phase III for the treatment of hyperphagia in Prader-Willi syndrome; ACP-204 which is in Phase II for the treatment of Alzheimer's disease psychosis; ACP-2591 that is in Phase I for Rett syndrome and Fragile X syndrome; preclinical antisense oligonucleotide programs; and other programs for neuropsychiatric symptoms. It has a license agreement with Neuren Pharmaceuticals Limited to develop and commercialize trofinetide for Rett syndrome and other indications; and a license and collaboration agreement with Stoke Therapeutics, Inc. to discover, develop and commercialize novel RNA-based medicines for the potential treatment of severe and rare genetic neurodevelopmental diseases of the CNS. The company was formerly known as Receptor Technologies, Inc. and changed its name ACADIA Pharmaceuticals Inc. in 1997. ACADIA Pharmaceuticals Inc. was incorporated in 1993 and is headquartered in San Diego, California.

Ardent Health Partners, Inc. owns and operates a network of hospitals and clinics that provides a range of healthcare services in the United States. It operates acute care hospitals, including rehabilitation hospitals and surgical hospitals. The company was founded in 2001 and is based in Brentwood, Tennessee. Ardent Health Partners, Inc. is a subsidiary of EGI-AM Investments, L.L.C.

Accolade, Inc., together with its subsidiaries, engages in the development and provision of personalized and technology-enabled solutions that help people to understand, navigate, and utilize the healthcare system and their workplace benefits in the United States. The company offers a platform with cloud-based intelligent technology and multimodal support from a team of advocates and clinicians, including registered nurses, physician medical directors, pharmacists, behavioral health specialists, women's health specialists, case management specialists, expert medical opinion providers, and primary care physicians. It also provides medical opinion services to commercial customers; and navigation, care, and advocacy solutions. In addition, the company offers medical consultations that connect patients to qualified condition-specific specialists for adult and pediatric care; and primary care and mental health support solutions. It serves employers who provide employees and their families a single place to turn for their health, healthcare, and benefits needs. The company was incorporated in 2007 and is headquartered in Seattle, Washington.

Community Health Systems, Inc. owns, leases, and operates general acute care hospitals in the United States. It offers general acute care, emergency room, general and specialty surgery, critical care, internal medicine, obstetrics, diagnostic, psychiatric, and rehabilitation services, as well as skilled nursing and home care services. The company also provides outpatient services at primary care practices, urgent care centers, free-standing emergency departments, ambulatory surgery centers, imaging and diagnostic centers, and direct-to-consumer virtual health visits. The company was incorporated in 1996 and is headquartered in Franklin, Tennessee.

National HealthCare Corporation engages in the operation of services to skilled nursing facilities, assisted and independent living facilities, homecare and hospice agencies, and health hospitals. Its skilled nursing facilities offer licensed therapy services, nutrition services, social services, activities, and housekeeping and laundry services, as well as medical services prescribed by physicians; and rehabilitative services, such as physical, speech, respiratory, and occupational therapy for patients recovering from strokes, heart attacks, orthopedic conditions, neurological illnesses, or other illnesses, injuries, or disabilities. The company's medical specialty units comprise memory care units and sub-cute nursing units that provide specialized care and programs for persons with Alzheimer's or related disorders; and assisted living facilities offer personal care services and assistance with general activities of daily living, such as dressing, bathing, meal preparation, and medication management. Its independent living facilities offers specially designed residential units for the active and ambulatory elderly and provide various ancillary services for residents, including restaurants, activity rooms and social areas; and behavioral health services to both adults and geriatric patients with psychiatric, emotional, and addictive disorders. In addition, the company's homecare agencies assist those who wish to stay at home or in assisted living residences but still require some degree of medical care or assistance with daily activities; hospice agencies that provides hospice and palliative care; and operates pharmacies, as well as managed care insurance solutions. Further, it offers management, accounting, and financial services; and leases its properties to third party operators. The company was founded in 1971 and is based in Murfreesboro, Tennessee.